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  <div class="headertitle"><div class="title">coap_tinydtls.c</div></div>
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<a href="coap__tinydtls_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/*</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment"> * coap_tinydtls.c -- Datagram Transport Layer Support for libcoap with tinydtls</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment"> *</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"> * Copyright (C) 2016 Olaf Bergmann &lt;bergmann@tzi.org&gt;</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"> *</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment"> * This file is part of the CoAP library libcoap. Please see README for terms</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment"> * of use.</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment"> */</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span> </div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="preprocessor">#include &quot;coap_config.h&quot;</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span> </div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="preprocessor">#ifdef HAVE_LIBTINYDTLS</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span> </div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="preprocessor">#include &quot;<a class="code" href="net_8h.html">net.h</a>&quot;</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="preprocessor">#include &quot;<a class="code" href="address_8h.html">address.h</a>&quot;</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="preprocessor">#include &quot;<a class="code" href="coap__debug_8h.html">coap_debug.h</a>&quot;</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="preprocessor">#include &quot;<a class="code" href="mem_8h.html">mem.h</a>&quot;</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span> </div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment">/* We want TinyDTLS versions of these, not libcoap versions */</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span><span class="preprocessor">#undef PACKAGE_BUGREPORT</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="preprocessor">#undef PACKAGE_NAME</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="preprocessor">#undef PACKAGE_STRING</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="preprocessor">#undef PACKAGE_TARNAME</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="preprocessor">#undef PACKAGE_URL</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="preprocessor">#undef PACKAGE_VERSION</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span> </div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="preprocessor">#include &lt;tinydtls.h&gt;</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span><span class="preprocessor">#include &lt;dtls.h&gt;</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span><span class="preprocessor">#include &lt;dtls_debug.h&gt;</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span> </div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="keyword">static</span> dtls_tick_t dtls_tick_0 = 0;</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span><span class="keyword">static</span> <a class="code hl_typedef" href="group__clock.html#ga97ff1502e211b4ee6c3f15a598833438">coap_tick_t</a> coap_tick_0 = 0;</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span> </div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="keywordtype">int</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><a class="code hl_function" href="group__dtls.html#ga9def28dc6da3b77c14e89d63769ec085">coap_dtls_is_supported</a>(<span class="keywordtype">void</span>) {</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span>  <span class="keywordflow">return</span> 1;</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span>}</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span> </div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span><span class="keywordtype">void</span> <a class="code hl_function" href="group__dtls__internal.html#ga1e81d904e13ccf3af6a56ab3ebdc8a34">coap_dtls_startup</a>(<span class="keywordtype">void</span>) {</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span>  dtls_init();</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span>  dtls_ticks(&amp;dtls_tick_0);</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span>  <a class="code hl_function" href="group__clock.html#ga350826988e63ff446a2a84034ecdf43d">coap_ticks</a>(&amp;coap_tick_0);</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span>}</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span> </div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span><a class="code hl_function" href="group__logging.html#ga2ed215efb94dd270a6d55fb274f62b52">coap_dtls_set_log_level</a>(<span class="keywordtype">int</span> level) {</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span>  dtls_set_log_level(level);</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span>}</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span> </div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span><span class="keywordtype">int</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span><a class="code hl_function" href="group__logging.html#gaa57b34084a2baf0b83e7ffea5653ea25">coap_dtls_get_log_level</a>(<span class="keywordtype">void</span>) {</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span>  <span class="keywordflow">return</span> dtls_get_log_level();</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span>}</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span> </div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span><span class="keyword">static</span> <span class="keywordtype">void</span> get_session_addr(<span class="keyword">const</span> session_t *s, <a class="code hl_struct" href="structcoap__address__t.html">coap_address_t</a> *a) {</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span><span class="preprocessor">#ifdef WITH_CONTIKI</span></div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span>  a-&gt;<a class="code hl_variable" href="structcoap__address__t.html#accf59382315e4bd7178cbc6f32fcad27">addr</a> = s-&gt;<a class="code hl_variable" href="structcoap__address__t.html#accf59382315e4bd7178cbc6f32fcad27">addr</a>;</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span>  a-&gt;port = s-&gt;port;</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span>  <span class="keywordflow">if</span> (s-&gt;addr.sa.sa_family == AF_INET6) {</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span>    a-&gt;<a class="code hl_variable" href="structcoap__address__t.html#a1734d28f40124b6f35b8cde9afbdf344">size</a> = (socklen_t)<span class="keyword">sizeof</span>(a-&gt;<a class="code hl_variable" href="structcoap__address__t.html#accf59382315e4bd7178cbc6f32fcad27">addr</a>.<a class="code hl_variable" href="structcoap__address__t.html#a92d2fe98a38a8cdc5594692a031f488b">sin6</a>);</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span>    a-&gt;<a class="code hl_variable" href="structcoap__address__t.html#accf59382315e4bd7178cbc6f32fcad27">addr</a>.<a class="code hl_variable" href="structcoap__address__t.html#a92d2fe98a38a8cdc5594692a031f488b">sin6</a> = s-&gt;addr.sin6;</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (s-&gt;addr.sa.sa_family == AF_INET) {</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span>    a-&gt;<a class="code hl_variable" href="structcoap__address__t.html#a1734d28f40124b6f35b8cde9afbdf344">size</a> = (socklen_t)<span class="keyword">sizeof</span>(a-&gt;<a class="code hl_variable" href="structcoap__address__t.html#accf59382315e4bd7178cbc6f32fcad27">addr</a>.<a class="code hl_variable" href="structcoap__address__t.html#a4ff1cbb241d65e0b6f5e3b396a1e304e">sin</a>);</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span>    a-&gt;<a class="code hl_variable" href="structcoap__address__t.html#accf59382315e4bd7178cbc6f32fcad27">addr</a>.<a class="code hl_variable" href="structcoap__address__t.html#a4ff1cbb241d65e0b6f5e3b396a1e304e">sin</a> = s-&gt;addr.sin;</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span>    a-&gt;<a class="code hl_variable" href="structcoap__address__t.html#a1734d28f40124b6f35b8cde9afbdf344">size</a> = (socklen_t)s-&gt;size;</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span>    a-&gt;<a class="code hl_variable" href="structcoap__address__t.html#accf59382315e4bd7178cbc6f32fcad27">addr</a>.<a class="code hl_variable" href="structcoap__address__t.html#a93f132bc05d9fbbda9827fae32e81326">sa</a> = s-&gt;addr.sa;</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span>  }</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span>}</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span> </div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span><span class="keyword">static</span> <span class="keywordtype">void</span> put_session_addr(<span class="keyword">const</span> <a class="code hl_struct" href="structcoap__address__t.html">coap_address_t</a> *a, session_t *s) {</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span><span class="preprocessor">#ifdef WITH_CONTIKI</span></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span>  s-&gt;size = (<span class="keywordtype">unsigned</span> char)<span class="keyword">sizeof</span>(s-&gt;addr);</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span>  s-&gt;addr = a-&gt;<a class="code hl_variable" href="structcoap__address__t.html#accf59382315e4bd7178cbc6f32fcad27">addr</a>;</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span>  s-&gt;port = a-&gt;port;</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span>  <span class="keywordflow">if</span> (a-&gt;<a class="code hl_variable" href="structcoap__address__t.html#accf59382315e4bd7178cbc6f32fcad27">addr</a>.<a class="code hl_variable" href="structcoap__address__t.html#a93f132bc05d9fbbda9827fae32e81326">sa</a>.sa_family == AF_INET6) {</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span>    s-&gt;<a class="code hl_variable" href="structcoap__address__t.html#a1734d28f40124b6f35b8cde9afbdf344">size</a> = (socklen_t)<span class="keyword">sizeof</span>(s-&gt;addr.sin6);</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span>    s-&gt;addr.sin6 = a-&gt;<a class="code hl_variable" href="structcoap__address__t.html#accf59382315e4bd7178cbc6f32fcad27">addr</a>.<a class="code hl_variable" href="structcoap__address__t.html#a92d2fe98a38a8cdc5594692a031f488b">sin6</a>;</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (a-&gt;<a class="code hl_variable" href="structcoap__address__t.html#accf59382315e4bd7178cbc6f32fcad27">addr</a>.<a class="code hl_variable" href="structcoap__address__t.html#a93f132bc05d9fbbda9827fae32e81326">sa</a>.sa_family == AF_INET) {</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span>    s-&gt;size = (socklen_t)<span class="keyword">sizeof</span>(s-&gt;addr.sin);</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span>    s-&gt;addr.sin = a-&gt;<a class="code hl_variable" href="structcoap__address__t.html#accf59382315e4bd7178cbc6f32fcad27">addr</a>.<a class="code hl_variable" href="structcoap__address__t.html#a4ff1cbb241d65e0b6f5e3b396a1e304e">sin</a>;</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span>    s-&gt;size = (socklen_t)a-&gt;<a class="code hl_variable" href="structcoap__address__t.html#a1734d28f40124b6f35b8cde9afbdf344">size</a>;</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span>    s-&gt;addr.sa = a-&gt;<a class="code hl_variable" href="structcoap__address__t.html#accf59382315e4bd7178cbc6f32fcad27">addr</a>.<a class="code hl_variable" href="structcoap__address__t.html#a93f132bc05d9fbbda9827fae32e81326">sa</a>;</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span>  }</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span>}</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span> </div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span><span class="keyword">static</span> <span class="keywordtype">int</span></div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span>dtls_send_to_peer(<span class="keyword">struct</span> dtls_context_t *dtls_context,</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span>  session_t *dtls_session, uint8 *data, <span class="keywordtype">size_t</span> len) {</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span>  <a class="code hl_struct" href="structcoap__context__t.html">coap_context_t</a> *coap_context = (<a class="code hl_struct" href="structcoap__context__t.html">coap_context_t</a> *)dtls_get_app_data(dtls_context);</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span>  <a class="code hl_struct" href="structcoap__session__t.html">coap_session_t</a> *coap_session;</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span>  <a class="code hl_struct" href="structcoap__address__t.html">coap_address_t</a> remote_addr;</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span> </div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span>  get_session_addr(dtls_session, &amp;remote_addr);</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span>  coap_session = <a class="code hl_function" href="coap__session_8c.html#acee24426600d6f3e9f655dc413ed8c99">coap_session_get_by_peer</a>(coap_context, &amp;remote_addr, dtls_session-&gt;ifindex);</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span>  <span class="keywordflow">if</span> (!coap_session) {</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span>    <a class="code hl_define" href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a>(<a class="code hl_enumvalue" href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446a8f6fe15bfe15104da6d1b360194a5400">LOG_WARNING</a>, <span class="stringliteral">&quot;dtls_send_to_peer: cannot find local interface\n&quot;</span>);</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span>    <span class="keywordflow">return</span> -3;</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span>  }</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span>  <span class="keywordflow">return</span> (<span class="keywordtype">int</span>)<a class="code hl_function" href="coap__session_8c.html#a43ad12697cacde3be9579f8253ca9ccf">coap_session_send</a>(coap_session, data, len);</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span>}</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span> </div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span><span class="keyword">static</span> <span class="keywordtype">int</span></div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span>dtls_application_data(<span class="keyword">struct</span> dtls_context_t *dtls_context,</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span>  session_t *dtls_session, uint8 *data, <span class="keywordtype">size_t</span> len) {</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span>  <a class="code hl_struct" href="structcoap__context__t.html">coap_context_t</a> *coap_context = (<a class="code hl_struct" href="structcoap__context__t.html">coap_context_t</a> *)dtls_get_app_data(dtls_context);</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span>  <a class="code hl_struct" href="structcoap__session__t.html">coap_session_t</a> *coap_session;</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span>  <a class="code hl_struct" href="structcoap__address__t.html">coap_address_t</a> remote_addr;</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span> </div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span>  get_session_addr(dtls_session, &amp;remote_addr);</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span>  coap_session = <a class="code hl_function" href="coap__session_8c.html#acee24426600d6f3e9f655dc413ed8c99">coap_session_get_by_peer</a>(coap_context, &amp;remote_addr, dtls_session-&gt;ifindex);</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span>  <span class="keywordflow">if</span> (!coap_session) {</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span>    <a class="code hl_define" href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a>(<a class="code hl_enumvalue" href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446ab9f002c6ffbfd511da8090213227454e">LOG_DEBUG</a>,</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span>             <span class="stringliteral">&quot;dropped message that was received on invalid interface\n&quot;</span>);</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span>    <span class="keywordflow">return</span> -1;</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span>  }</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span> </div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span>  <span class="keywordflow">return</span> <a class="code hl_function" href="net_8c.html#a32887948ee273d1ad464ec47df194910">coap_handle_dgram</a>(coap_context, coap_session, data, len);</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span>}</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span> </div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span><span class="keyword">static</span> <span class="keywordtype">int</span> coap_event_dtls = 0;</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span> </div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span><span class="keyword">static</span> <span class="keywordtype">int</span></div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span>dtls_event(<span class="keyword">struct</span> dtls_context_t *dtls_context,</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span>  session_t *dtls_session,</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span>  dtls_alert_level_t level,</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span>  uint16_t code) {</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span>  (void)dtls_context;</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span>  (void)dtls_session;</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span> </div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span>  <span class="keywordflow">if</span> (level == DTLS_ALERT_LEVEL_FATAL)</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span>    coap_event_dtls = <a class="code hl_define" href="group__events.html#ga4b7987047870eb07d52a9bb7a04b04ad">COAP_EVENT_DTLS_ERROR</a>;</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span> </div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span>  <span class="comment">/* handle DTLS events */</span></div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span>  <span class="keywordflow">switch</span> (code) {</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span>  <span class="keywordflow">case</span> DTLS_ALERT_CLOSE_NOTIFY:</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span>  {</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span>    coap_event_dtls = <a class="code hl_define" href="group__events.html#ga58978fec0cb0a118e2e47b3eb9b5efdc">COAP_EVENT_DTLS_CLOSED</a>;</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span>    <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span>  }</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span>  <span class="keywordflow">case</span> DTLS_EVENT_CONNECTED:</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span>  {</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span>    coap_event_dtls = <a class="code hl_define" href="group__events.html#gaeedad13a6a9e652948097bb1f8290229">COAP_EVENT_DTLS_CONNECTED</a>;</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span>    <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span>  }</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span>  <span class="keywordflow">case</span> DTLS_EVENT_RENEGOTIATE:</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span>  {</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span>    coap_event_dtls = <a class="code hl_define" href="group__events.html#ga367c24eff1326e0e3f8bd1d7dcd5363a">COAP_EVENT_DTLS_RENEGOTIATE</a>;</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span>    <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span>  }</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span>    ;</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span>  }</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span> </div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span>}</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span> </div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span><span class="comment">/* This function is the &quot;key store&quot; for tinyDTLS. It is called to</span></div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span><span class="comment"> * retrieve a key for the given identity within this particular</span></div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span><span class="comment"> * session. */</span></div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span><span class="keyword">static</span> <span class="keywordtype">int</span></div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span>get_psk_info(<span class="keyword">struct</span> dtls_context_t *dtls_context,</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span>  <span class="keyword">const</span> session_t *dtls_session,</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span>  dtls_credentials_type_t type,</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span>  <span class="keyword">const</span> <a class="code hl_typedef" href="uthash_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> *<span class="keywordtype">id</span>, <span class="keywordtype">size_t</span> id_len,</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *result, <span class="keywordtype">size_t</span> result_length) {</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span>  <a class="code hl_struct" href="structcoap__context__t.html">coap_context_t</a> *coap_context;</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span>  <a class="code hl_struct" href="structcoap__session__t.html">coap_session_t</a> *coap_session;</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span>  <span class="keywordtype">int</span> fatal_error = DTLS_ALERT_INTERNAL_ERROR;</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span>  <span class="keywordtype">size_t</span> identity_length;</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> client = 0;</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span>  <span class="keyword">static</span> <a class="code hl_typedef" href="uthash_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> psk[128];</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span>  <span class="keyword">static</span> <span class="keywordtype">size_t</span> psk_len = 0;</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span>  <a class="code hl_struct" href="structcoap__address__t.html">coap_address_t</a> remote_addr;</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span> </div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span> </div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span>  <span class="keywordflow">if</span> (type == DTLS_PSK_KEY &amp;&amp; client) {</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span>    <span class="keywordflow">if</span> (psk_len &gt; result_length) {</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span>      <a class="code hl_define" href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a>(<a class="code hl_enumvalue" href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446a8f6fe15bfe15104da6d1b360194a5400">LOG_WARNING</a>, <span class="stringliteral">&quot;cannot set psk -- buffer too small\n&quot;</span>);</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno">  185</span>      <span class="keywordflow">goto</span> error;</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span>    }</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span>    memcpy(result, psk, psk_len);</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span>    client = 0;</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span>    <span class="keywordflow">return</span> (<span class="keywordtype">int</span>)psk_len;</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span>  }</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span> </div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span>  client = 0;</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span>  coap_context = (<a class="code hl_struct" href="structcoap__context__t.html">coap_context_t</a> *)dtls_get_app_data(dtls_context);</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span>  get_session_addr(dtls_session, &amp;remote_addr);</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span>  coap_session = <a class="code hl_function" href="coap__session_8c.html#acee24426600d6f3e9f655dc413ed8c99">coap_session_get_by_peer</a>(coap_context, &amp;remote_addr, dtls_session-&gt;ifindex);</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span>  <span class="keywordflow">if</span> (!coap_session) {</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno">  197</span>    <a class="code hl_define" href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a>(<a class="code hl_enumvalue" href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446ab9f002c6ffbfd511da8090213227454e">LOG_DEBUG</a>, <span class="stringliteral">&quot;cannot get PSK, session not found\n&quot;</span>);</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span>    <span class="keywordflow">goto</span> error;</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span>  }</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span> </div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span>  <span class="keywordflow">switch</span> (type) {</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span>  <span class="keywordflow">case</span> DTLS_PSK_IDENTITY:</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span> </div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span>    <span class="keywordflow">if</span> (id_len)</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span>      <a class="code hl_define" href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a>(<a class="code hl_enumvalue" href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446ab9f002c6ffbfd511da8090213227454e">LOG_DEBUG</a>, <span class="stringliteral">&quot;got psk_identity_hint: &#39;%.*s&#39;\n&quot;</span>, (<span class="keywordtype">int</span>)id_len, <span class="keywordtype">id</span>);</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span> </div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno">  207</span>    <span class="keywordflow">if</span> (!coap_context || !coap_context-&gt;<a class="code hl_variable" href="structcoap__context__t.html#ae412c9932b9ced3c778d6029d21493c7">get_client_psk</a>)</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span>      <span class="keywordflow">goto</span> error;</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span> </div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span>    identity_length = 0;</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span>    psk_len = coap_context-&gt;<a class="code hl_variable" href="structcoap__context__t.html#ae412c9932b9ced3c778d6029d21493c7">get_client_psk</a>(coap_session, (<span class="keyword">const</span> <a class="code hl_typedef" href="uthash_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a>*)<span class="keywordtype">id</span>, id_len, (<a class="code hl_typedef" href="uthash_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a>*)result, &amp;identity_length, result_length, psk, <span class="keyword">sizeof</span>(psk));</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span>    <span class="keywordflow">if</span> (!psk_len) {</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno">  213</span>      <a class="code hl_define" href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a>(<a class="code hl_enumvalue" href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446a8f6fe15bfe15104da6d1b360194a5400">LOG_WARNING</a>, <span class="stringliteral">&quot;no PSK identity for given realm\n&quot;</span>);</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno">  214</span>      fatal_error = DTLS_ALERT_CLOSE_NOTIFY;</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span>      <span class="keywordflow">goto</span> error;</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span>    }</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span>    client = 1;</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span>    <span class="keywordflow">return</span> (<span class="keywordtype">int</span>)identity_length;</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span> </div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span>  <span class="keywordflow">case</span> DTLS_PSK_KEY:</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span>    <span class="keywordflow">if</span> (coap_context-&gt;<a class="code hl_variable" href="structcoap__context__t.html#a71aa494865b061f72ec0ecd633aa4e7f">get_server_psk</a>)</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span>      <span class="keywordflow">return</span> (<span class="keywordtype">int</span>)coap_context-&gt;<a class="code hl_variable" href="structcoap__context__t.html#a71aa494865b061f72ec0ecd633aa4e7f">get_server_psk</a>(coap_session, (<span class="keyword">const</span> <a class="code hl_typedef" href="uthash_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a>*)<span class="keywordtype">id</span>, id_len, (<a class="code hl_typedef" href="uthash_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a>*)result, result_length);</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span>    <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span> </div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span>  <span class="keywordflow">case</span> DTLS_PSK_HINT:</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span>    client = 0;</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno">  228</span>    <span class="keywordflow">if</span> (coap_context-&gt;<a class="code hl_variable" href="structcoap__context__t.html#aca05833745124e6987489c8ecfebcb63">get_server_hint</a>)</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span>      <span class="keywordflow">return</span> (<span class="keywordtype">int</span>)coap_context-&gt;<a class="code hl_variable" href="structcoap__context__t.html#aca05833745124e6987489c8ecfebcb63">get_server_hint</a>(coap_session, (<a class="code hl_typedef" href="uthash_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> *)result, result_length);</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno">  230</span>    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span> </div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno">  233</span>    <a class="code hl_define" href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a>(<a class="code hl_enumvalue" href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446a8f6fe15bfe15104da6d1b360194a5400">LOG_WARNING</a>, <span class="stringliteral">&quot;unsupported request type: %d\n&quot;</span>, type);</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno">  234</span>  }</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno">  235</span> </div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno">  236</span>error:</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span>  client = 0;</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno">  238</span>  <span class="keywordflow">return</span> dtls_alert_fatal_create(fatal_error);</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno">  239</span>}</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno">  240</span> </div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno">  241</span><span class="keyword">static</span> dtls_handler_t cb = {</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno">  242</span>  .write = dtls_send_to_peer,</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno">  243</span>  .read = dtls_application_data,</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span>  .event = dtls_event,</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno">  245</span>  .get_psk_info = get_psk_info,</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span><span class="preprocessor">#ifdef WITH_ECC</span></div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno">  247</span>  .get_ecdsa_key = NULL,</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno">  248</span>  .verify_ecdsa_key = NULL</div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno">  249</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno">  250</span>};</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno">  251</span> </div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno">  252</span><span class="keywordtype">void</span> *</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno">  253</span><a class="code hl_function" href="coap__notls_8c.html#a0671863eb92f2a37b1627b67564e82d4">coap_dtls_new_context</a>(<span class="keyword">struct</span> <a class="code hl_struct" href="structcoap__context__t.html">coap_context_t</a> *coap_context) {</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno">  254</span>  <span class="keyword">struct </span>dtls_context_t *dtls_context = dtls_new_context(coap_context);</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno">  255</span>  <span class="keywordflow">if</span> (!dtls_context)</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno">  256</span>    <span class="keywordflow">goto</span> error;</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno">  257</span>  dtls_set_handler(dtls_context, &amp;cb);</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno">  258</span>  <span class="keywordflow">return</span> dtls_context;</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno">  259</span>error:</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno">  260</span>  <a class="code hl_function" href="coap__notls_8c.html#ab6dd0798202ab0ff55fc7024e80a72d1">coap_dtls_free_context</a>(dtls_context);</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno">  261</span>  <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno">  262</span>}</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno">  263</span> </div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno">  264</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno">  265</span><a class="code hl_function" href="coap__notls_8c.html#ab6dd0798202ab0ff55fc7024e80a72d1">coap_dtls_free_context</a>(<span class="keywordtype">void</span> *handle) {</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno">  266</span>  <span class="keywordflow">if</span> (handle) {</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno">  267</span>    <span class="keyword">struct </span>dtls_context_t *dtls_context = (<span class="keyword">struct </span>dtls_context_t *)handle;</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno">  268</span>    dtls_free_context(dtls_context);</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno">  269</span>  }</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno">  270</span>}</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno">  271</span> </div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno">  272</span><span class="keyword">static</span> session_t *</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno">  273</span>coap_dtls_new_session(<a class="code hl_struct" href="structcoap__session__t.html">coap_session_t</a> *session) {</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno">  274</span>  session_t *dtls_session = <a class="code hl_function" href="mem_8h.html#a9f9fd8d6cf24f9c45a5501aeba5acaf9">coap_malloc_type</a>(COAP_DTLS_SESSION, <span class="keyword">sizeof</span>(session_t));</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno">  275</span> </div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno">  276</span>  <span class="keywordflow">if</span> (dtls_session) {</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno">  277</span>    <span class="comment">/* create tinydtls session object from remote address and local</span></div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno">  278</span><span class="comment">    * endpoint handle */</span></div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno">  279</span>    dtls_session_init(dtls_session);</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno">  280</span>    put_session_addr(&amp;session-&gt;<a class="code hl_variable" href="structcoap__session__t.html#a5e1b647f8b5ce42ea7a0d0893fb3504a">remote_addr</a>, dtls_session);</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno">  281</span>    dtls_session-&gt;ifindex = session-&gt;<a class="code hl_variable" href="structcoap__session__t.html#afcebad5cfefed99f0073ac037ba7d997">ifindex</a>;</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno">  282</span>    <a class="code hl_define" href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a>(<a class="code hl_enumvalue" href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446ab9f002c6ffbfd511da8090213227454e">LOG_DEBUG</a>, <span class="stringliteral">&quot;***new session %p\n&quot;</span>, (<span class="keywordtype">void</span> *)dtls_session);</div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno">  283</span>  }</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno">  284</span> </div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno">  285</span>  <span class="keywordflow">return</span> dtls_session;</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno">  286</span>}</div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno">  287</span> </div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno">  288</span><span class="keywordtype">void</span> *<a class="code hl_function" href="coap__notls_8c.html#a11ce0122c8ecc161bb42f634f5902796">coap_dtls_new_server_session</a>(<a class="code hl_struct" href="structcoap__session__t.html">coap_session_t</a> *session) {</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno">  289</span>  <span class="keywordflow">return</span> coap_dtls_new_session(session);</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno">  290</span>}</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno">  291</span> </div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno">  292</span><span class="keywordtype">void</span> *<a class="code hl_function" href="coap__notls_8c.html#ae4b316b8d30a716c6faeceb1cb8d9b8d">coap_dtls_new_client_session</a>(<a class="code hl_struct" href="structcoap__session__t.html">coap_session_t</a> *session) {</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno">  293</span>  dtls_peer_t *peer;</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno">  294</span>  session_t *dtls_session = coap_dtls_new_session(session);</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno">  295</span>  <span class="keywordflow">if</span> (!dtls_session)</div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno">  296</span>    <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno">  297</span>  peer =</div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno">  298</span>    dtls_get_peer((<span class="keyword">struct</span> dtls_context_t *)session-&gt;<a class="code hl_variable" href="structcoap__session__t.html#a8f8e37457b167cc8b95fadd7eeffd8d7">context</a>-&gt;<a class="code hl_variable" href="structcoap__context__t.html#a85e2737b90beb8afce13a6ef2bea87f4">dtls_context</a>,</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno">  299</span>      dtls_session);</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno">  300</span> </div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno">  301</span>  <span class="keywordflow">if</span> (!peer) {</div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno">  302</span>    <span class="comment">/* The peer connection does not yet exist. */</span></div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno">  303</span>    <span class="comment">/* dtls_connect() returns a value greater than zero if a new</span></div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno">  304</span><span class="comment">    * connection attempt is made, 0 for session reuse. */</span></div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno">  305</span>    <span class="keywordflow">if</span> (dtls_connect((<span class="keyword">struct</span> dtls_context_t *)session-&gt;<a class="code hl_variable" href="structcoap__session__t.html#a8f8e37457b167cc8b95fadd7eeffd8d7">context</a>-&gt;<a class="code hl_variable" href="structcoap__context__t.html#a85e2737b90beb8afce13a6ef2bea87f4">dtls_context</a>,</div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno">  306</span>      dtls_session) &gt;= 0) {</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno">  307</span>      peer =</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno">  308</span>        dtls_get_peer((<span class="keyword">struct</span> dtls_context_t *)session-&gt;<a class="code hl_variable" href="structcoap__session__t.html#a8f8e37457b167cc8b95fadd7eeffd8d7">context</a>-&gt;<a class="code hl_variable" href="structcoap__context__t.html#a85e2737b90beb8afce13a6ef2bea87f4">dtls_context</a>,</div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno">  309</span>          dtls_session);</div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno">  310</span>    }</div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno">  311</span>  }</div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno">  312</span> </div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno">  313</span>  <span class="keywordflow">if</span> (!peer) {</div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno">  314</span>    <span class="comment">/* delete existing session because the peer object has been invalidated */</span></div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno">  315</span>    <a class="code hl_function" href="mem_8h.html#ae7214e0c73a4d4290525873e739ed422">coap_free_type</a>(COAP_DTLS_SESSION, dtls_session);</div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno">  316</span>    dtls_session = NULL;</div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno">  317</span>  }</div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno">  318</span> </div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno">  319</span>  <span class="keywordflow">return</span> dtls_session;</div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno">  320</span>}</div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno">  321</span> </div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno">  322</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno">  323</span><a class="code hl_function" href="coap__notls_8c.html#aa7b1a73a52fc6f3e6e00c001363f9bfa">coap_dtls_session_update_mtu</a>(<a class="code hl_struct" href="structcoap__session__t.html">coap_session_t</a> *session) {</div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno">  324</span>  (void)session;</div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno">  325</span>}</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno">  326</span> </div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno">  327</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno">  328</span><a class="code hl_function" href="coap__notls_8c.html#aaf93788bf08a0459d28eaca3cafe930f">coap_dtls_free_session</a>(<a class="code hl_struct" href="structcoap__session__t.html">coap_session_t</a> *coap_session) {</div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno">  329</span>  <span class="keyword">struct </span>dtls_context_t *ctx = (<span class="keyword">struct </span>dtls_context_t *)coap_session-&gt;<a class="code hl_variable" href="structcoap__session__t.html#a8f8e37457b167cc8b95fadd7eeffd8d7">context</a>-&gt;<a class="code hl_variable" href="structcoap__context__t.html#a85e2737b90beb8afce13a6ef2bea87f4">dtls_context</a>;</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno">  330</span>  <span class="keywordflow">if</span> (coap_session-&gt;<a class="code hl_variable" href="structcoap__session__t.html#a9eb6890809e9aa01d225691bb4ae97db">tls</a>) {</div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno">  331</span>    dtls_peer_t *peer = dtls_get_peer(ctx, (session_t *)coap_session-&gt;<a class="code hl_variable" href="structcoap__session__t.html#a9eb6890809e9aa01d225691bb4ae97db">tls</a>);</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno">  332</span>    <span class="keywordflow">if</span> ( peer )</div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno">  333</span>      dtls_reset_peer(ctx, peer);</div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno">  334</span>    <span class="keywordflow">else</span></div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno">  335</span>      dtls_close(ctx, (session_t *)coap_session-&gt;<a class="code hl_variable" href="structcoap__session__t.html#a9eb6890809e9aa01d225691bb4ae97db">tls</a>);</div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno">  336</span>    <a class="code hl_define" href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a>(<a class="code hl_enumvalue" href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446ab9f002c6ffbfd511da8090213227454e">LOG_DEBUG</a>, <span class="stringliteral">&quot;***removed session %p\n&quot;</span>, coap_session-&gt;<a class="code hl_variable" href="structcoap__session__t.html#a9eb6890809e9aa01d225691bb4ae97db">tls</a>);</div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno">  337</span>    <a class="code hl_function" href="mem_8h.html#ae7214e0c73a4d4290525873e739ed422">coap_free_type</a>(COAP_DTLS_SESSION, coap_session-&gt;<a class="code hl_variable" href="structcoap__session__t.html#a9eb6890809e9aa01d225691bb4ae97db">tls</a>);</div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno">  338</span>    coap_session-&gt;<a class="code hl_variable" href="structcoap__session__t.html#a9eb6890809e9aa01d225691bb4ae97db">tls</a> = NULL;</div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno">  339</span>  }</div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno">  340</span>}</div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno">  341</span> </div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno">  342</span><span class="keywordtype">int</span></div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno">  343</span><a class="code hl_function" href="coap__notls_8c.html#aab0e2b48071ed723e10cc8f10379abca">coap_dtls_send</a>(<a class="code hl_struct" href="structcoap__session__t.html">coap_session_t</a> *session,</div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno">  344</span>  <span class="keyword">const</span> <a class="code hl_typedef" href="uthash_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> *data,</div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno">  345</span>  <span class="keywordtype">size_t</span> data_len</div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno">  346</span>) {</div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno">  347</span>  <span class="keywordtype">int</span> res;</div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno">  348</span>  <a class="code hl_typedef" href="uthash_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> *data_rw;</div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno">  349</span> </div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno">  350</span>  <a class="code hl_define" href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a>(<a class="code hl_enumvalue" href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446ab9f002c6ffbfd511da8090213227454e">LOG_DEBUG</a>, <span class="stringliteral">&quot;call dtls_write\n&quot;</span>);</div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno">  351</span> </div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno">  352</span>  coap_event_dtls = -1;</div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno">  353</span>  <span class="comment">/* Need to do this to not get a compiler warning about const parameters */</span></div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno">  354</span>  memcpy (&amp;data_rw, &amp;data, <span class="keyword">sizeof</span>(data_rw));</div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno">  355</span>  res = dtls_write((<span class="keyword">struct</span> dtls_context_t *)session-&gt;<a class="code hl_variable" href="structcoap__session__t.html#a8f8e37457b167cc8b95fadd7eeffd8d7">context</a>-&gt;<a class="code hl_variable" href="structcoap__context__t.html#a85e2737b90beb8afce13a6ef2bea87f4">dtls_context</a>,</div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno">  356</span>    (session_t *)session-&gt;<a class="code hl_variable" href="structcoap__session__t.html#a9eb6890809e9aa01d225691bb4ae97db">tls</a>, data_rw, data_len);</div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno">  357</span> </div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno">  358</span>  <span class="keywordflow">if</span> (res &lt; 0)</div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno">  359</span>    <a class="code hl_define" href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a>(<a class="code hl_enumvalue" href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446a8f6fe15bfe15104da6d1b360194a5400">LOG_WARNING</a>, <span class="stringliteral">&quot;coap_dtls_send: cannot send PDU\n&quot;</span>);</div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno">  360</span> </div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno">  361</span>  <span class="keywordflow">if</span> (coap_event_dtls &gt;= 0) {</div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno">  362</span>    <a class="code hl_function" href="net_8c.html#a5e2cee998ccf618ac07aa54f5e5f8743">coap_handle_event</a>(session-&gt;<a class="code hl_variable" href="structcoap__session__t.html#a8f8e37457b167cc8b95fadd7eeffd8d7">context</a>, coap_event_dtls, session);</div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno">  363</span>    <span class="keywordflow">if</span> (coap_event_dtls == <a class="code hl_define" href="group__events.html#gaeedad13a6a9e652948097bb1f8290229">COAP_EVENT_DTLS_CONNECTED</a>)</div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno">  364</span>      <a class="code hl_function" href="coap__session_8c.html#aa8b3a2da8480911b0216dad076038cb6">coap_session_connected</a>(session);</div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno">  365</span>    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (coap_event_dtls == DTLS_ALERT_CLOSE_NOTIFY || coap_event_dtls == <a class="code hl_define" href="group__events.html#ga4b7987047870eb07d52a9bb7a04b04ad">COAP_EVENT_DTLS_ERROR</a>)</div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno">  366</span>      <a class="code hl_function" href="coap__session_8c.html#ad3377d3198c10fa086502035ded9c268">coap_session_disconnected</a>(session, <a class="code hl_enumvalue" href="coap__io_8h.html#a7ff2bb32137ca684be5539c156bdc418a60a6eebe19b2f6701ed4fcc58886d830">COAP_NACK_TLS_FAILED</a>);</div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno">  367</span>  }</div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno">  368</span> </div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno">  369</span>  <span class="keywordflow">return</span> res;</div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno">  370</span>}</div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno">  371</span> </div>
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno">  372</span><span class="keywordtype">int</span> <a class="code hl_function" href="group__dtls__internal.html#ga7954de23333db4fdc4043c35022e49f5">coap_dtls_is_context_timeout</a>(<span class="keywordtype">void</span>) {</div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno">  373</span>  <span class="keywordflow">return</span> 1;</div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno">  374</span>}</div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno">  375</span> </div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno">  376</span><a class="code hl_typedef" href="group__clock.html#ga97ff1502e211b4ee6c3f15a598833438">coap_tick_t</a> <a class="code hl_function" href="coap__notls_8c.html#a42d4e2a9f45fc8673a09da2f7bf7bfac">coap_dtls_get_context_timeout</a>(<span class="keywordtype">void</span> *dtls_context) {</div>
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno">  377</span>  clock_time_t next = 0;</div>
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno">  378</span>  dtls_check_retransmit((<span class="keyword">struct</span> dtls_context_t *)dtls_context, &amp;next);</div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno">  379</span>  <span class="keywordflow">if</span> (next &gt; 0)</div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno">  380</span>    <span class="keywordflow">return</span> ((<a class="code hl_typedef" href="group__clock.html#ga97ff1502e211b4ee6c3f15a598833438">coap_tick_t</a>)(next - dtls_tick_0)) * <a class="code hl_define" href="group__clock.html#gabf672e8aaf725f9ccbc4fc0aa202a5bb">COAP_TICKS_PER_SECOND</a> / DTLS_TICKS_PER_SECOND + coap_tick_0;</div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno">  381</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno">  382</span>}</div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno">  383</span> </div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno">  384</span><a class="code hl_typedef" href="group__clock.html#ga97ff1502e211b4ee6c3f15a598833438">coap_tick_t</a> <a class="code hl_function" href="coap__notls_8c.html#a874aa6baedd8c5680142af7534fb4ffb">coap_dtls_get_timeout</a>(<a class="code hl_struct" href="structcoap__session__t.html">coap_session_t</a> *session) {</div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno">  385</span>  (void)session;</div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno">  386</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno">  387</span>}</div>
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno">  388</span> </div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno">  389</span><span class="keywordtype">void</span> <a class="code hl_function" href="coap__notls_8c.html#aa82c602ae2c35f208900e0da83397de2">coap_dtls_handle_timeout</a>(<a class="code hl_struct" href="structcoap__session__t.html">coap_session_t</a> *session) {</div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno">  390</span>  (void)session;</div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno">  391</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno">  392</span>}</div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno">  393</span> </div>
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno">  394</span><span class="keywordtype">int</span></div>
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno">  395</span><a class="code hl_function" href="coap__notls_8c.html#a56c73480c1bd1fa14c1727e026f82e17">coap_dtls_receive</a>(<a class="code hl_struct" href="structcoap__session__t.html">coap_session_t</a> *session,</div>
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno">  396</span>  <span class="keyword">const</span> <a class="code hl_typedef" href="uthash_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> *data,</div>
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno">  397</span>  <span class="keywordtype">size_t</span> data_len</div>
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno">  398</span>) {</div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno">  399</span>  session_t *dtls_session = (session_t *)session-&gt;<a class="code hl_variable" href="structcoap__session__t.html#a9eb6890809e9aa01d225691bb4ae97db">tls</a>;</div>
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno">  400</span>  <span class="keywordtype">int</span> err;</div>
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno">  401</span>  <a class="code hl_typedef" href="uthash_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> *data_rw;</div>
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno">  402</span> </div>
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno">  403</span>  coap_event_dtls = -1;</div>
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno">  404</span>  <span class="comment">/* Need to do this to not get a compiler warning about const parameters */</span></div>
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno">  405</span>  memcpy (&amp;data_rw, &amp;data, <span class="keyword">sizeof</span>(data_rw));</div>
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno">  406</span>  err = dtls_handle_message(</div>
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno">  407</span>    (<span class="keyword">struct</span> dtls_context_t *)session-&gt;<a class="code hl_variable" href="structcoap__session__t.html#a8f8e37457b167cc8b95fadd7eeffd8d7">context</a>-&gt;<a class="code hl_variable" href="structcoap__context__t.html#a85e2737b90beb8afce13a6ef2bea87f4">dtls_context</a>,</div>
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno">  408</span>    dtls_session, data_rw, (<span class="keywordtype">int</span>)data_len);</div>
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno">  409</span> </div>
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno">  410</span>  <span class="keywordflow">if</span> (err){</div>
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno">  411</span>    coap_event_dtls = <a class="code hl_define" href="group__events.html#ga4b7987047870eb07d52a9bb7a04b04ad">COAP_EVENT_DTLS_ERROR</a>;</div>
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno">  412</span>  }</div>
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno">  413</span> </div>
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno">  414</span>  <span class="keywordflow">if</span> (coap_event_dtls &gt;= 0) {</div>
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno">  415</span>    <a class="code hl_function" href="net_8c.html#a5e2cee998ccf618ac07aa54f5e5f8743">coap_handle_event</a>(session-&gt;<a class="code hl_variable" href="structcoap__session__t.html#a8f8e37457b167cc8b95fadd7eeffd8d7">context</a>, coap_event_dtls, session);</div>
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno">  416</span>    <span class="keywordflow">if</span> (coap_event_dtls == <a class="code hl_define" href="group__events.html#gaeedad13a6a9e652948097bb1f8290229">COAP_EVENT_DTLS_CONNECTED</a>)</div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno">  417</span>      <a class="code hl_function" href="coap__session_8c.html#aa8b3a2da8480911b0216dad076038cb6">coap_session_connected</a>(session);</div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno">  418</span>    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (coap_event_dtls == DTLS_ALERT_CLOSE_NOTIFY || coap_event_dtls == <a class="code hl_define" href="group__events.html#ga4b7987047870eb07d52a9bb7a04b04ad">COAP_EVENT_DTLS_ERROR</a>)</div>
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno">  419</span>      <a class="code hl_function" href="coap__session_8c.html#ad3377d3198c10fa086502035ded9c268">coap_session_disconnected</a>(session, <a class="code hl_enumvalue" href="coap__io_8h.html#a7ff2bb32137ca684be5539c156bdc418a60a6eebe19b2f6701ed4fcc58886d830">COAP_NACK_TLS_FAILED</a>);</div>
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno">  420</span>  }</div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno">  421</span> </div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno">  422</span>  <span class="keywordflow">return</span> err;</div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno">  423</span>}</div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno">  424</span> </div>
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno">  425</span><span class="keywordtype">int</span></div>
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno">  426</span><a class="code hl_function" href="coap__notls_8c.html#a6108ea63abb51311934ad4e2a4a8b28d">coap_dtls_hello</a>(<a class="code hl_struct" href="structcoap__session__t.html">coap_session_t</a> *session,</div>
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno">  427</span>  <span class="keyword">const</span> <a class="code hl_typedef" href="uthash_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> *data,</div>
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno">  428</span>  <span class="keywordtype">size_t</span> data_len</div>
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno">  429</span>) {</div>
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno">  430</span>  session_t dtls_session;</div>
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno">  431</span>  <span class="keyword">struct </span>dtls_context_t *dtls_context =</div>
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno">  432</span>    (<span class="keyword">struct </span>dtls_context_t *)session-&gt;<a class="code hl_variable" href="structcoap__session__t.html#a8f8e37457b167cc8b95fadd7eeffd8d7">context</a>-&gt;<a class="code hl_variable" href="structcoap__context__t.html#a85e2737b90beb8afce13a6ef2bea87f4">dtls_context</a>;</div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno">  433</span>  <a class="code hl_typedef" href="uthash_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> *data_rw;</div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno">  434</span> </div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno">  435</span>  dtls_session_init(&amp;dtls_session);</div>
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno">  436</span>  put_session_addr(&amp;session-&gt;<a class="code hl_variable" href="structcoap__session__t.html#a5e1b647f8b5ce42ea7a0d0893fb3504a">remote_addr</a>, &amp;dtls_session);</div>
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno">  437</span>  dtls_session.ifindex = session-&gt;<a class="code hl_variable" href="structcoap__session__t.html#afcebad5cfefed99f0073ac037ba7d997">ifindex</a>;</div>
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno">  438</span>  <span class="comment">/* Need to do this to not get a compiler warning about const parameters */</span></div>
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno">  439</span>  memcpy (&amp;data_rw, &amp;data, <span class="keyword">sizeof</span>(data_rw));</div>
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno">  440</span>  <span class="keywordtype">int</span> res = dtls_handle_message(dtls_context, &amp;dtls_session,</div>
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno">  441</span>    data_rw, (<span class="keywordtype">int</span>)data_len);</div>
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno">  442</span>  <span class="keywordflow">if</span> (res &gt;= 0) {</div>
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno">  443</span>    <span class="keywordflow">if</span> (dtls_get_peer(dtls_context, &amp;dtls_session))</div>
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno">  444</span>      res = 1;</div>
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno">  445</span>    <span class="keywordflow">else</span></div>
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno">  446</span>      res = 0;</div>
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno">  447</span>  }</div>
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno">  448</span>  <span class="keywordflow">return</span> res;</div>
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno">  449</span>}</div>
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno">  450</span> </div>
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno">  451</span><span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code hl_function" href="coap__notls_8c.html#ad86e37b152d610203bfeee5513a617d8">coap_dtls_get_overhead</a>(<a class="code hl_struct" href="structcoap__session__t.html">coap_session_t</a> *session) {</div>
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno">  452</span>  (void)session;</div>
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno">  453</span>  <span class="keywordflow">return</span> 13 + 8 + 8;</div>
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno">  454</span>}</div>
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno">  455</span> </div>
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno">  456</span><span class="preprocessor">#ifdef __GNUC__</span></div>
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno">  457</span><span class="preprocessor">#define UNUSED __attribute__((unused))</span></div>
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno">  458</span><span class="preprocessor">#else </span><span class="comment">/* __GNUC__ */</span><span class="preprocessor"></span></div>
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno">  459</span><span class="preprocessor">#define UNUSED</span></div>
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno">  460</span><span class="preprocessor">#endif </span><span class="comment">/* __GNUC__ */</span><span class="preprocessor"></span></div>
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno">  461</span> </div>
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno">  462</span><span class="keywordtype">int</span> <a class="code hl_function" href="group__dtls.html#ga55b3b545f0784c7a6135021017317e1b">coap_tls_is_supported</a>(<span class="keywordtype">void</span>) {</div>
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno">  463</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno">  464</span>}</div>
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno">  465</span> </div>
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno">  466</span><a class="code hl_struct" href="structcoap__tls__version__t.html">coap_tls_version_t</a> *</div>
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno">  467</span><a class="code hl_function" href="group__dtls.html#ga30c05cbcf1ca5320ff0349b59f8c7fcb">coap_get_tls_library_version</a>(<span class="keywordtype">void</span>) {</div>
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno">  468</span>  <span class="keyword">static</span> <a class="code hl_struct" href="structcoap__tls__version__t.html">coap_tls_version_t</a> version;</div>
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno">  469</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *vers = dtls_package_version();</div>
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno">  470</span> </div>
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno">  471</span>  version.<a class="code hl_variable" href="structcoap__tls__version__t.html#acd0dcf58914dd79d6110bb4d6a910c58">version</a> = 0;</div>
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno">  472</span>  <span class="keywordflow">if</span> (vers) {</div>
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno">  473</span>    <span class="keywordtype">long</span> <span class="keywordtype">int</span> p1, p2 = 0, p3 = 0;</div>
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno">  474</span>    <span class="keywordtype">char</span>* endptr;</div>
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno">  475</span> </div>
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno">  476</span>    p1 = strtol(vers, &amp;endptr, 10);</div>
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno">  477</span>    <span class="keywordflow">if</span> (*endptr == <span class="charliteral">&#39;.&#39;</span>) {</div>
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno">  478</span>      p2 = strtol(endptr+1, &amp;endptr, 10);</div>
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno">  479</span>      <span class="keywordflow">if</span> (*endptr == <span class="charliteral">&#39;.&#39;</span>) {</div>
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno">  480</span>        p3 = strtol(endptr+1, &amp;endptr, 10);</div>
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno">  481</span>      }</div>
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno">  482</span>    }</div>
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno">  483</span>    version.<a class="code hl_variable" href="structcoap__tls__version__t.html#acd0dcf58914dd79d6110bb4d6a910c58">version</a> = (p1 &lt;&lt; 16) | (p2 &lt;&lt; 8) | p3;</div>
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno">  484</span>  }</div>
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno">  485</span>  version.<a class="code hl_variable" href="structcoap__tls__version__t.html#a0a7319dc6fd261d2ce899ac3da26d4c1">built_version</a> = version.<a class="code hl_variable" href="structcoap__tls__version__t.html#acd0dcf58914dd79d6110bb4d6a910c58">version</a>;</div>
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno">  486</span>  version.<a class="code hl_variable" href="structcoap__tls__version__t.html#aec97830d2623e4354e12e00467d3dcc2">type</a> = <a class="code hl_define" href="group__dtls.html#gad96392a988877a91c8d1576191e34cff">COAP_TLS_LIBRARY_TINYDTLS</a>;</div>
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno">  487</span>  <span class="keywordflow">return</span> &amp;version;</div>
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno">  488</span>}</div>
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno">  489</span> </div>
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno">  490</span><span class="keywordtype">int</span></div>
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno">  491</span><a class="code hl_function" href="coap__notls_8c.html#abff27cfd1dfb2359351f58244f929808">coap_dtls_context_set_pki</a>(<a class="code hl_struct" href="structcoap__context__t.html">coap_context_t</a> *ctx <a class="code hl_define" href="coap__notls_8c.html#addf5ec070e9499d36b7f2009ce736076">UNUSED</a>,</div>
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno">  492</span>  <a class="code hl_struct" href="structcoap__dtls__pki__t.html">coap_dtls_pki_t</a>* setup_data <a class="code hl_define" href="coap__notls_8c.html#addf5ec070e9499d36b7f2009ce736076">UNUSED</a>,</div>
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno">  493</span>  <a class="code hl_enumeration" href="group__dtls__internal.html#ga4dbea8aa6943bcf865990b5cebb6bfa4">coap_dtls_role_t</a> role <a class="code hl_define" href="coap__notls_8c.html#addf5ec070e9499d36b7f2009ce736076">UNUSED</a></div>
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno">  494</span>) {</div>
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno">  495</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno">  496</span>}</div>
<div class="line"><a id="l00497" name="l00497"></a><span class="lineno">  497</span> </div>
<div class="line"><a id="l00498" name="l00498"></a><span class="lineno">  498</span><span class="keywordtype">int</span></div>
<div class="line"><a id="l00499" name="l00499"></a><span class="lineno">  499</span><a class="code hl_function" href="coap__notls_8c.html#a08c2d9a091673f0488b246c1019fa7db">coap_dtls_context_set_pki_root_cas</a>(<span class="keyword">struct</span> <a class="code hl_struct" href="structcoap__context__t.html">coap_context_t</a> *ctx <a class="code hl_define" href="coap__notls_8c.html#addf5ec070e9499d36b7f2009ce736076">UNUSED</a>,</div>
<div class="line"><a id="l00500" name="l00500"></a><span class="lineno">  500</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *ca_file <a class="code hl_define" href="coap__notls_8c.html#addf5ec070e9499d36b7f2009ce736076">UNUSED</a>,</div>
<div class="line"><a id="l00501" name="l00501"></a><span class="lineno">  501</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *ca_path <a class="code hl_define" href="coap__notls_8c.html#addf5ec070e9499d36b7f2009ce736076">UNUSED</a></div>
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno">  502</span>) {</div>
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno">  503</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno">  504</span>}</div>
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno">  505</span> </div>
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno">  506</span><span class="keywordtype">int</span></div>
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno">  507</span><a class="code hl_function" href="coap__notls_8c.html#a36896a2f4100c177e129ec8a5697aa95">coap_dtls_context_set_psk</a>(<a class="code hl_struct" href="structcoap__context__t.html">coap_context_t</a> *ctx <a class="code hl_define" href="coap__notls_8c.html#addf5ec070e9499d36b7f2009ce736076">UNUSED</a>,</div>
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno">  508</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *hint <a class="code hl_define" href="coap__notls_8c.html#addf5ec070e9499d36b7f2009ce736076">UNUSED</a>,</div>
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno">  509</span>  <a class="code hl_enumeration" href="group__dtls__internal.html#ga4dbea8aa6943bcf865990b5cebb6bfa4">coap_dtls_role_t</a> role <a class="code hl_define" href="coap__notls_8c.html#addf5ec070e9499d36b7f2009ce736076">UNUSED</a></div>
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno">  510</span>) {</div>
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno">  511</span>  <span class="keywordflow">return</span> 1;</div>
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno">  512</span>}</div>
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno">  513</span> </div>
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno">  514</span><span class="keywordtype">int</span></div>
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno">  515</span><a class="code hl_function" href="coap__notls_8c.html#a9c204e7d2d3106cfb6cf610ab4652628">coap_dtls_context_check_keys_enabled</a>(<a class="code hl_struct" href="structcoap__context__t.html">coap_context_t</a> *ctx <a class="code hl_define" href="coap__notls_8c.html#addf5ec070e9499d36b7f2009ce736076">UNUSED</a>)</div>
<div class="line"><a id="l00516" name="l00516"></a><span class="lineno">  516</span>{</div>
<div class="line"><a id="l00517" name="l00517"></a><span class="lineno">  517</span>  <span class="keywordflow">return</span> 1;</div>
<div class="line"><a id="l00518" name="l00518"></a><span class="lineno">  518</span>}</div>
<div class="line"><a id="l00519" name="l00519"></a><span class="lineno">  519</span> </div>
<div class="line"><a id="l00520" name="l00520"></a><span class="lineno">  520</span><span class="keywordtype">void</span> *<a class="code hl_function" href="coap__notls_8c.html#af7d70ee719bade4e0a9c2f92b18fc2d6">coap_tls_new_client_session</a>(<a class="code hl_struct" href="structcoap__session__t.html">coap_session_t</a> *session <a class="code hl_define" href="coap__notls_8c.html#addf5ec070e9499d36b7f2009ce736076">UNUSED</a>, <span class="keywordtype">int</span> *connected <a class="code hl_define" href="coap__notls_8c.html#addf5ec070e9499d36b7f2009ce736076">UNUSED</a>) {</div>
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno">  521</span>  <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00522" name="l00522"></a><span class="lineno">  522</span>}</div>
<div class="line"><a id="l00523" name="l00523"></a><span class="lineno">  523</span> </div>
<div class="line"><a id="l00524" name="l00524"></a><span class="lineno">  524</span><span class="keywordtype">void</span> *<a class="code hl_function" href="coap__notls_8c.html#afd2f2c08c1197af4d279160fb5411213">coap_tls_new_server_session</a>(<a class="code hl_struct" href="structcoap__session__t.html">coap_session_t</a> *session <a class="code hl_define" href="coap__notls_8c.html#addf5ec070e9499d36b7f2009ce736076">UNUSED</a>, <span class="keywordtype">int</span> *connected <a class="code hl_define" href="coap__notls_8c.html#addf5ec070e9499d36b7f2009ce736076">UNUSED</a>) {</div>
<div class="line"><a id="l00525" name="l00525"></a><span class="lineno">  525</span>  <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a id="l00526" name="l00526"></a><span class="lineno">  526</span>}</div>
<div class="line"><a id="l00527" name="l00527"></a><span class="lineno">  527</span> </div>
<div class="line"><a id="l00528" name="l00528"></a><span class="lineno">  528</span><span class="keywordtype">void</span> <a class="code hl_function" href="coap__notls_8c.html#aa317934415639e23b64a3bd0b4edde6c">coap_tls_free_session</a>(<a class="code hl_struct" href="structcoap__session__t.html">coap_session_t</a> *coap_session <a class="code hl_define" href="coap__notls_8c.html#addf5ec070e9499d36b7f2009ce736076">UNUSED</a>) {</div>
<div class="line"><a id="l00529" name="l00529"></a><span class="lineno">  529</span>}</div>
<div class="line"><a id="l00530" name="l00530"></a><span class="lineno">  530</span> </div>
<div class="line"><a id="l00531" name="l00531"></a><span class="lineno">  531</span>ssize_t <a class="code hl_function" href="coap__notls_8c.html#adaea05db98df31bd685353eb7099f356">coap_tls_write</a>(<a class="code hl_struct" href="structcoap__session__t.html">coap_session_t</a> *session <a class="code hl_define" href="coap__notls_8c.html#addf5ec070e9499d36b7f2009ce736076">UNUSED</a>,</div>
<div class="line"><a id="l00532" name="l00532"></a><span class="lineno">  532</span>                       <span class="keyword">const</span> <a class="code hl_typedef" href="uthash_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> *data <a class="code hl_define" href="coap__notls_8c.html#addf5ec070e9499d36b7f2009ce736076">UNUSED</a>,</div>
<div class="line"><a id="l00533" name="l00533"></a><span class="lineno">  533</span>                       <span class="keywordtype">size_t</span> data_len <a class="code hl_define" href="coap__notls_8c.html#addf5ec070e9499d36b7f2009ce736076">UNUSED</a></div>
<div class="line"><a id="l00534" name="l00534"></a><span class="lineno">  534</span>) {</div>
<div class="line"><a id="l00535" name="l00535"></a><span class="lineno">  535</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a id="l00536" name="l00536"></a><span class="lineno">  536</span>}</div>
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno">  537</span> </div>
<div class="line"><a id="l00538" name="l00538"></a><span class="lineno">  538</span>ssize_t <a class="code hl_function" href="coap__notls_8c.html#a873d77ef01ab93adcec48a1b60d46d77">coap_tls_read</a>(<a class="code hl_struct" href="structcoap__session__t.html">coap_session_t</a> *session <a class="code hl_define" href="coap__notls_8c.html#addf5ec070e9499d36b7f2009ce736076">UNUSED</a>,</div>
<div class="line"><a id="l00539" name="l00539"></a><span class="lineno">  539</span>                      <a class="code hl_typedef" href="uthash_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> *data <a class="code hl_define" href="coap__notls_8c.html#addf5ec070e9499d36b7f2009ce736076">UNUSED</a>,</div>
<div class="line"><a id="l00540" name="l00540"></a><span class="lineno">  540</span>                      <span class="keywordtype">size_t</span> data_len <a class="code hl_define" href="coap__notls_8c.html#addf5ec070e9499d36b7f2009ce736076">UNUSED</a></div>
<div class="line"><a id="l00541" name="l00541"></a><span class="lineno">  541</span>) {</div>
<div class="line"><a id="l00542" name="l00542"></a><span class="lineno">  542</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a id="l00543" name="l00543"></a><span class="lineno">  543</span>}</div>
<div class="line"><a id="l00544" name="l00544"></a><span class="lineno">  544</span> </div>
<div class="line"><a id="l00545" name="l00545"></a><span class="lineno">  545</span><span class="preprocessor">#undef UNUSED</span></div>
<div class="line"><a id="l00546" name="l00546"></a><span class="lineno">  546</span> </div>
<div class="line"><a id="l00547" name="l00547"></a><span class="lineno">  547</span><span class="preprocessor">#else </span><span class="comment">/* !HAVE_LIBTINYDTLS */</span><span class="preprocessor"></span></div>
<div class="line"><a id="l00548" name="l00548"></a><span class="lineno">  548</span> </div>
<div class="line"><a id="l00549" name="l00549"></a><span class="lineno">  549</span><span class="preprocessor">#ifdef __clang__</span></div>
<div class="line"><a id="l00550" name="l00550"></a><span class="lineno">  550</span><span class="comment">/* Make compilers happy that do not like empty modules. As this function is</span></div>
<div class="line"><a id="l00551" name="l00551"></a><span class="lineno">  551</span><span class="comment"> * never used, we ignore -Wunused-function at the end of compiling this file</span></div>
<div class="line"><a id="l00552" name="l00552"></a><span class="lineno">  552</span><span class="comment"> */</span></div>
<div class="line"><a id="l00553" name="l00553"></a><span class="lineno">  553</span><span class="preprocessor">#pragma GCC diagnostic ignored &quot;-Wunused-function&quot;</span></div>
<div class="line"><a id="l00554" name="l00554"></a><span class="lineno">  554</span><span class="preprocessor">#endif</span></div>
<div class="foldopen" id="foldopen00555" data-start="{" data-end="}">
<div class="line"><a id="l00555" name="l00555"></a><span class="lineno"><a class="line" href="coap__tinydtls_8c.html#a546cf1db58fbb6bac12675857bc2d744">  555</a></span><span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code hl_function" href="coap__tinydtls_8c.html#a546cf1db58fbb6bac12675857bc2d744">dummy</a>(<span class="keywordtype">void</span>) {</div>
<div class="line"><a id="l00556" name="l00556"></a><span class="lineno">  556</span>}</div>
</div>
<div class="line"><a id="l00557" name="l00557"></a><span class="lineno">  557</span> </div>
<div class="line"><a id="l00558" name="l00558"></a><span class="lineno">  558</span><span class="preprocessor">#endif </span><span class="comment">/* HAVE_LIBTINYDTLS */</span><span class="preprocessor"></span></div>
<div class="ttc" id="aaddress_8h_html"><div class="ttname"><a href="address_8h.html">address.h</a></div><div class="ttdoc">Representation of network addresses.</div></div>
<div class="ttc" id="acoap__debug_8h_html"><div class="ttname"><a href="coap__debug_8h.html">coap_debug.h</a></div></div>
<div class="ttc" id="acoap__io_8h_html_a7ff2bb32137ca684be5539c156bdc418a60a6eebe19b2f6701ed4fcc58886d830"><div class="ttname"><a href="coap__io_8h.html#a7ff2bb32137ca684be5539c156bdc418a60a6eebe19b2f6701ed4fcc58886d830">COAP_NACK_TLS_FAILED</a></div><div class="ttdeci">@ COAP_NACK_TLS_FAILED</div><div class="ttdef"><b>Definition</b> <a href="coap__io_8h_source.html#l00211">coap_io.h:210</a></div></div>
<div class="ttc" id="acoap__notls_8c_html_a0671863eb92f2a37b1627b67564e82d4"><div class="ttname"><a href="coap__notls_8c.html#a0671863eb92f2a37b1627b67564e82d4">coap_dtls_new_context</a></div><div class="ttdeci">void * coap_dtls_new_context(struct coap_context_t *coap_context UNUSED)</div><div class="ttdef"><b>Definition</b> <a href="coap__notls_8c_source.html#l00086">coap_notls.c:86</a></div></div>
<div class="ttc" id="acoap__notls_8c_html_a08c2d9a091673f0488b246c1019fa7db"><div class="ttname"><a href="coap__notls_8c.html#a08c2d9a091673f0488b246c1019fa7db">coap_dtls_context_set_pki_root_cas</a></div><div class="ttdeci">int coap_dtls_context_set_pki_root_cas(struct coap_context_t *ctx UNUSED, const char *ca_file UNUSED, const char *ca_path UNUSED)</div><div class="ttdef"><b>Definition</b> <a href="coap__notls_8c_source.html#l00049">coap_notls.c:49</a></div></div>
<div class="ttc" id="acoap__notls_8c_html_a11ce0122c8ecc161bb42f634f5902796"><div class="ttname"><a href="coap__notls_8c.html#a11ce0122c8ecc161bb42f634f5902796">coap_dtls_new_server_session</a></div><div class="ttdeci">void * coap_dtls_new_server_session(coap_session_t *session UNUSED)</div><div class="ttdef"><b>Definition</b> <a href="coap__notls_8c_source.html#l00094">coap_notls.c:94</a></div></div>
<div class="ttc" id="acoap__notls_8c_html_a36896a2f4100c177e129ec8a5697aa95"><div class="ttname"><a href="coap__notls_8c.html#a36896a2f4100c177e129ec8a5697aa95">coap_dtls_context_set_psk</a></div><div class="ttdeci">int coap_dtls_context_set_psk(coap_context_t *ctx UNUSED, const char *hint UNUSED, coap_dtls_role_t role UNUSED)</div><div class="ttdef"><b>Definition</b> <a href="coap__notls_8c_source.html#l00057">coap_notls.c:57</a></div></div>
<div class="ttc" id="acoap__notls_8c_html_a42d4e2a9f45fc8673a09da2f7bf7bfac"><div class="ttname"><a href="coap__notls_8c.html#a42d4e2a9f45fc8673a09da2f7bf7bfac">coap_dtls_get_context_timeout</a></div><div class="ttdeci">coap_tick_t coap_dtls_get_context_timeout(void *dtls_context UNUSED)</div><div class="ttdef"><b>Definition</b> <a href="coap__notls_8c_source.html#l00120">coap_notls.c:120</a></div></div>
<div class="ttc" id="acoap__notls_8c_html_a56c73480c1bd1fa14c1727e026f82e17"><div class="ttname"><a href="coap__notls_8c.html#a56c73480c1bd1fa14c1727e026f82e17">coap_dtls_receive</a></div><div class="ttdeci">int coap_dtls_receive(coap_session_t *session UNUSED, const uint8_t *data UNUSED, size_t data_len UNUSED)</div><div class="ttdef"><b>Definition</b> <a href="coap__notls_8c_source.html#l00132">coap_notls.c:132</a></div></div>
<div class="ttc" id="acoap__notls_8c_html_a6108ea63abb51311934ad4e2a4a8b28d"><div class="ttname"><a href="coap__notls_8c.html#a6108ea63abb51311934ad4e2a4a8b28d">coap_dtls_hello</a></div><div class="ttdeci">int coap_dtls_hello(coap_session_t *session UNUSED, const uint8_t *data UNUSED, size_t data_len UNUSED)</div><div class="ttdef"><b>Definition</b> <a href="coap__notls_8c_source.html#l00140">coap_notls.c:140</a></div></div>
<div class="ttc" id="acoap__notls_8c_html_a873d77ef01ab93adcec48a1b60d46d77"><div class="ttname"><a href="coap__notls_8c.html#a873d77ef01ab93adcec48a1b60d46d77">coap_tls_read</a></div><div class="ttdeci">ssize_t coap_tls_read(coap_session_t *session UNUSED, uint8_t *data UNUSED, size_t data_len UNUSED)</div><div class="ttdef"><b>Definition</b> <a href="coap__notls_8c_source.html#l00169">coap_notls.c:169</a></div></div>
<div class="ttc" id="acoap__notls_8c_html_a874aa6baedd8c5680142af7534fb4ffb"><div class="ttname"><a href="coap__notls_8c.html#a874aa6baedd8c5680142af7534fb4ffb">coap_dtls_get_timeout</a></div><div class="ttdeci">coap_tick_t coap_dtls_get_timeout(coap_session_t *session UNUSED)</div><div class="ttdef"><b>Definition</b> <a href="coap__notls_8c_source.html#l00124">coap_notls.c:124</a></div></div>
<div class="ttc" id="acoap__notls_8c_html_a9c204e7d2d3106cfb6cf610ab4652628"><div class="ttname"><a href="coap__notls_8c.html#a9c204e7d2d3106cfb6cf610ab4652628">coap_dtls_context_check_keys_enabled</a></div><div class="ttdeci">int coap_dtls_context_check_keys_enabled(coap_context_t *ctx UNUSED)</div><div class="ttdef"><b>Definition</b> <a href="coap__notls_8c_source.html#l00065">coap_notls.c:65</a></div></div>
<div class="ttc" id="acoap__notls_8c_html_aa317934415639e23b64a3bd0b4edde6c"><div class="ttname"><a href="coap__notls_8c.html#aa317934415639e23b64a3bd0b4edde6c">coap_tls_free_session</a></div><div class="ttdeci">void coap_tls_free_session(coap_session_t *coap_session UNUSED)</div><div class="ttdef"><b>Definition</b> <a href="coap__notls_8c_source.html#l00159">coap_notls.c:159</a></div></div>
<div class="ttc" id="acoap__notls_8c_html_aa7b1a73a52fc6f3e6e00c001363f9bfa"><div class="ttname"><a href="coap__notls_8c.html#aa7b1a73a52fc6f3e6e00c001363f9bfa">coap_dtls_session_update_mtu</a></div><div class="ttdeci">void coap_dtls_session_update_mtu(coap_session_t *session UNUSED)</div><div class="ttdef"><b>Definition</b> <a href="coap__notls_8c_source.html#l00105">coap_notls.c:105</a></div></div>
<div class="ttc" id="acoap__notls_8c_html_aa82c602ae2c35f208900e0da83397de2"><div class="ttname"><a href="coap__notls_8c.html#aa82c602ae2c35f208900e0da83397de2">coap_dtls_handle_timeout</a></div><div class="ttdeci">void coap_dtls_handle_timeout(coap_session_t *session UNUSED)</div><div class="ttdef"><b>Definition</b> <a href="coap__notls_8c_source.html#l00128">coap_notls.c:128</a></div></div>
<div class="ttc" id="acoap__notls_8c_html_aab0e2b48071ed723e10cc8f10379abca"><div class="ttname"><a href="coap__notls_8c.html#aab0e2b48071ed723e10cc8f10379abca">coap_dtls_send</a></div><div class="ttdeci">int coap_dtls_send(coap_session_t *session UNUSED, const uint8_t *data UNUSED, size_t data_len UNUSED)</div><div class="ttdef"><b>Definition</b> <a href="coap__notls_8c_source.html#l00109">coap_notls.c:109</a></div></div>
<div class="ttc" id="acoap__notls_8c_html_aaf93788bf08a0459d28eaca3cafe930f"><div class="ttname"><a href="coap__notls_8c.html#aaf93788bf08a0459d28eaca3cafe930f">coap_dtls_free_session</a></div><div class="ttdeci">void coap_dtls_free_session(coap_session_t *coap_session UNUSED)</div><div class="ttdef"><b>Definition</b> <a href="coap__notls_8c_source.html#l00102">coap_notls.c:102</a></div></div>
<div class="ttc" id="acoap__notls_8c_html_ab6dd0798202ab0ff55fc7024e80a72d1"><div class="ttname"><a href="coap__notls_8c.html#ab6dd0798202ab0ff55fc7024e80a72d1">coap_dtls_free_context</a></div><div class="ttdeci">void coap_dtls_free_context(void *handle UNUSED)</div><div class="ttdef"><b>Definition</b> <a href="coap__notls_8c_source.html#l00091">coap_notls.c:91</a></div></div>
<div class="ttc" id="acoap__notls_8c_html_abff27cfd1dfb2359351f58244f929808"><div class="ttname"><a href="coap__notls_8c.html#abff27cfd1dfb2359351f58244f929808">coap_dtls_context_set_pki</a></div><div class="ttdeci">int coap_dtls_context_set_pki(coap_context_t *ctx UNUSED, coap_dtls_pki_t *setup_data UNUSED, coap_dtls_role_t role UNUSED)</div><div class="ttdef"><b>Definition</b> <a href="coap__notls_8c_source.html#l00041">coap_notls.c:41</a></div></div>
<div class="ttc" id="acoap__notls_8c_html_ad86e37b152d610203bfeee5513a617d8"><div class="ttname"><a href="coap__notls_8c.html#ad86e37b152d610203bfeee5513a617d8">coap_dtls_get_overhead</a></div><div class="ttdeci">unsigned int coap_dtls_get_overhead(coap_session_t *session UNUSED)</div><div class="ttdef"><b>Definition</b> <a href="coap__notls_8c_source.html#l00147">coap_notls.c:147</a></div></div>
<div class="ttc" id="acoap__notls_8c_html_adaea05db98df31bd685353eb7099f356"><div class="ttname"><a href="coap__notls_8c.html#adaea05db98df31bd685353eb7099f356">coap_tls_write</a></div><div class="ttdeci">ssize_t coap_tls_write(coap_session_t *session UNUSED, const uint8_t *data UNUSED, size_t data_len UNUSED)</div><div class="ttdef"><b>Definition</b> <a href="coap__notls_8c_source.html#l00162">coap_notls.c:162</a></div></div>
<div class="ttc" id="acoap__notls_8c_html_addf5ec070e9499d36b7f2009ce736076"><div class="ttname"><a href="coap__notls_8c.html#addf5ec070e9499d36b7f2009ce736076">UNUSED</a></div><div class="ttdeci">#define UNUSED</div><div class="ttdef"><b>Definition</b> <a href="coap__notls_8c_source.html#l00019">coap_notls.c:19</a></div></div>
<div class="ttc" id="acoap__notls_8c_html_ae4b316b8d30a716c6faeceb1cb8d9b8d"><div class="ttname"><a href="coap__notls_8c.html#ae4b316b8d30a716c6faeceb1cb8d9b8d">coap_dtls_new_client_session</a></div><div class="ttdeci">void * coap_dtls_new_client_session(coap_session_t *session UNUSED)</div><div class="ttdef"><b>Definition</b> <a href="coap__notls_8c_source.html#l00098">coap_notls.c:98</a></div></div>
<div class="ttc" id="acoap__notls_8c_html_af7d70ee719bade4e0a9c2f92b18fc2d6"><div class="ttname"><a href="coap__notls_8c.html#af7d70ee719bade4e0a9c2f92b18fc2d6">coap_tls_new_client_session</a></div><div class="ttdeci">void * coap_tls_new_client_session(coap_session_t *session UNUSED, int *connected UNUSED)</div><div class="ttdef"><b>Definition</b> <a href="coap__notls_8c_source.html#l00151">coap_notls.c:151</a></div></div>
<div class="ttc" id="acoap__notls_8c_html_afd2f2c08c1197af4d279160fb5411213"><div class="ttname"><a href="coap__notls_8c.html#afd2f2c08c1197af4d279160fb5411213">coap_tls_new_server_session</a></div><div class="ttdeci">void * coap_tls_new_server_session(coap_session_t *session UNUSED, int *connected UNUSED)</div><div class="ttdef"><b>Definition</b> <a href="coap__notls_8c_source.html#l00155">coap_notls.c:155</a></div></div>
<div class="ttc" id="acoap__session_8c_html_a43ad12697cacde3be9579f8253ca9ccf"><div class="ttname"><a href="coap__session_8c.html#a43ad12697cacde3be9579f8253ca9ccf">coap_session_send</a></div><div class="ttdeci">ssize_t coap_session_send(coap_session_t *session, const uint8_t *data, size_t datalen)</div><div class="ttdoc">Function interface for datagram data transmission.</div><div class="ttdef"><b>Definition</b> <a href="coap__session_8c_source.html#l00218">coap_session.c:218</a></div></div>
<div class="ttc" id="acoap__session_8c_html_aa8b3a2da8480911b0216dad076038cb6"><div class="ttname"><a href="coap__session_8c.html#aa8b3a2da8480911b0216dad076038cb6">coap_session_connected</a></div><div class="ttdeci">void coap_session_connected(coap_session_t *session)</div><div class="ttdoc">Notify session that it has just connected or reconnected.</div><div class="ttdef"><b>Definition</b> <a href="coap__session_8c_source.html#l00326">coap_session.c:326</a></div></div>
<div class="ttc" id="acoap__session_8c_html_acee24426600d6f3e9f655dc413ed8c99"><div class="ttname"><a href="coap__session_8c.html#acee24426600d6f3e9f655dc413ed8c99">coap_session_get_by_peer</a></div><div class="ttdeci">coap_session_t * coap_session_get_by_peer(coap_context_t *ctx, const coap_address_t *remote_addr, int ifindex)</div><div class="ttdef"><b>Definition</b> <a href="coap__session_8c_source.html#l00923">coap_session.c:923</a></div></div>
<div class="ttc" id="acoap__session_8c_html_ad3377d3198c10fa086502035ded9c268"><div class="ttname"><a href="coap__session_8c.html#ad3377d3198c10fa086502035ded9c268">coap_session_disconnected</a></div><div class="ttdeci">void coap_session_disconnected(coap_session_t *session, coap_nack_reason_t reason)</div><div class="ttdoc">Notify session that it has failed.</div><div class="ttdef"><b>Definition</b> <a href="coap__session_8c_source.html#l00383">coap_session.c:383</a></div></div>
<div class="ttc" id="acoap__tinydtls_8c_html_a546cf1db58fbb6bac12675857bc2d744"><div class="ttname"><a href="coap__tinydtls_8c.html#a546cf1db58fbb6bac12675857bc2d744">dummy</a></div><div class="ttdeci">static void dummy(void)</div><div class="ttdef"><b>Definition</b> <a href="coap__tinydtls_8c_source.html#l00555">coap_tinydtls.c:555</a></div></div>
<div class="ttc" id="agroup__clock_html_ga350826988e63ff446a2a84034ecdf43d"><div class="ttname"><a href="group__clock.html#ga350826988e63ff446a2a84034ecdf43d">coap_ticks</a></div><div class="ttdeci">void coap_ticks(coap_tick_t *t)</div><div class="ttdoc">Sets t to the internal time with COAP_TICKS_PER_SECOND resolution.</div></div>
<div class="ttc" id="agroup__clock_html_ga97ff1502e211b4ee6c3f15a598833438"><div class="ttname"><a href="group__clock.html#ga97ff1502e211b4ee6c3f15a598833438">coap_tick_t</a></div><div class="ttdeci">uint64_t coap_tick_t</div><div class="ttdoc">This data type represents internal timer ticks with COAP_TICKS_PER_SECOND resolution.</div><div class="ttdef"><b>Definition</b> <a href="coap__time_8h_source.html#l00085">coap_time.h:85</a></div></div>
<div class="ttc" id="agroup__clock_html_gabf672e8aaf725f9ccbc4fc0aa202a5bb"><div class="ttname"><a href="group__clock.html#gabf672e8aaf725f9ccbc4fc0aa202a5bb">COAP_TICKS_PER_SECOND</a></div><div class="ttdeci">#define COAP_TICKS_PER_SECOND</div><div class="ttdoc">Use ms resolution on POSIX systems.</div><div class="ttdef"><b>Definition</b> <a href="coap__time_8h_source.html#l00100">coap_time.h:100</a></div></div>
<div class="ttc" id="agroup__dtls__internal_html_ga1e81d904e13ccf3af6a56ab3ebdc8a34"><div class="ttname"><a href="group__dtls__internal.html#ga1e81d904e13ccf3af6a56ab3ebdc8a34">coap_dtls_startup</a></div><div class="ttdeci">void coap_dtls_startup(void)</div><div class="ttdoc">Initialize the underlying (D)TLS Library layer.</div><div class="ttdef"><b>Definition</b> <a href="coap__notls_8c_source.html#l00072">coap_notls.c:72</a></div></div>
<div class="ttc" id="agroup__dtls__internal_html_ga4dbea8aa6943bcf865990b5cebb6bfa4"><div class="ttname"><a href="group__dtls__internal.html#ga4dbea8aa6943bcf865990b5cebb6bfa4">coap_dtls_role_t</a></div><div class="ttdeci">coap_dtls_role_t</div><div class="ttdef"><b>Definition</b> <a href="coap__dtls_8h_source.html#l00264">coap_dtls.h:264</a></div></div>
<div class="ttc" id="agroup__dtls__internal_html_ga7954de23333db4fdc4043c35022e49f5"><div class="ttname"><a href="group__dtls__internal.html#ga7954de23333db4fdc4043c35022e49f5">coap_dtls_is_context_timeout</a></div><div class="ttdeci">int coap_dtls_is_context_timeout(void)</div><div class="ttdoc">Check if timeout is handled per CoAP session or per CoAP context.</div><div class="ttdef"><b>Definition</b> <a href="coap__notls_8c_source.html#l00116">coap_notls.c:116</a></div></div>
<div class="ttc" id="agroup__dtls_html_ga30c05cbcf1ca5320ff0349b59f8c7fcb"><div class="ttname"><a href="group__dtls.html#ga30c05cbcf1ca5320ff0349b59f8c7fcb">coap_get_tls_library_version</a></div><div class="ttdeci">coap_tls_version_t * coap_get_tls_library_version(void)</div><div class="ttdoc">Determine the type and version of the underlying (D)TLS library.</div><div class="ttdef"><b>Definition</b> <a href="coap__notls_8c_source.html#l00033">coap_notls.c:33</a></div></div>
<div class="ttc" id="agroup__dtls_html_ga55b3b545f0784c7a6135021017317e1b"><div class="ttname"><a href="group__dtls.html#ga55b3b545f0784c7a6135021017317e1b">coap_tls_is_supported</a></div><div class="ttdeci">int coap_tls_is_supported(void)</div><div class="ttdoc">Check whether TLS is available.</div><div class="ttdef"><b>Definition</b> <a href="coap__notls_8c_source.html#l00028">coap_notls.c:28</a></div></div>
<div class="ttc" id="agroup__dtls_html_ga9def28dc6da3b77c14e89d63769ec085"><div class="ttname"><a href="group__dtls.html#ga9def28dc6da3b77c14e89d63769ec085">coap_dtls_is_supported</a></div><div class="ttdeci">int coap_dtls_is_supported(void)</div><div class="ttdoc">Check whether DTLS is available.</div><div class="ttdef"><b>Definition</b> <a href="coap__notls_8c_source.html#l00023">coap_notls.c:23</a></div></div>
<div class="ttc" id="agroup__dtls_html_gad96392a988877a91c8d1576191e34cff"><div class="ttname"><a href="group__dtls.html#gad96392a988877a91c8d1576191e34cff">COAP_TLS_LIBRARY_TINYDTLS</a></div><div class="ttdeci">#define COAP_TLS_LIBRARY_TINYDTLS</div><div class="ttdoc">Using TinyDTLS library.</div><div class="ttdef"><b>Definition</b> <a href="coap__dtls_8h_source.html#l00039">coap_dtls.h:39</a></div></div>
<div class="ttc" id="agroup__events_html_ga367c24eff1326e0e3f8bd1d7dcd5363a"><div class="ttname"><a href="group__events.html#ga367c24eff1326e0e3f8bd1d7dcd5363a">COAP_EVENT_DTLS_RENEGOTIATE</a></div><div class="ttdeci">#define COAP_EVENT_DTLS_RENEGOTIATE</div><div class="ttdef"><b>Definition</b> <a href="coap__event_8h_source.html#l00035">coap_event.h:35</a></div></div>
<div class="ttc" id="agroup__events_html_ga4b7987047870eb07d52a9bb7a04b04ad"><div class="ttname"><a href="group__events.html#ga4b7987047870eb07d52a9bb7a04b04ad">COAP_EVENT_DTLS_ERROR</a></div><div class="ttdeci">#define COAP_EVENT_DTLS_ERROR</div><div class="ttdef"><b>Definition</b> <a href="coap__event_8h_source.html#l00036">coap_event.h:36</a></div></div>
<div class="ttc" id="agroup__events_html_ga58978fec0cb0a118e2e47b3eb9b5efdc"><div class="ttname"><a href="group__events.html#ga58978fec0cb0a118e2e47b3eb9b5efdc">COAP_EVENT_DTLS_CLOSED</a></div><div class="ttdeci">#define COAP_EVENT_DTLS_CLOSED</div><div class="ttdoc">(D)TLS events for COAP_PROTO_DTLS and COAP_PROTO_TLS</div><div class="ttdef"><b>Definition</b> <a href="coap__event_8h_source.html#l00033">coap_event.h:33</a></div></div>
<div class="ttc" id="agroup__events_html_gaeedad13a6a9e652948097bb1f8290229"><div class="ttname"><a href="group__events.html#gaeedad13a6a9e652948097bb1f8290229">COAP_EVENT_DTLS_CONNECTED</a></div><div class="ttdeci">#define COAP_EVENT_DTLS_CONNECTED</div><div class="ttdef"><b>Definition</b> <a href="coap__event_8h_source.html#l00034">coap_event.h:34</a></div></div>
<div class="ttc" id="agroup__logging_html_ga2ed215efb94dd270a6d55fb274f62b52"><div class="ttname"><a href="group__logging.html#ga2ed215efb94dd270a6d55fb274f62b52">coap_dtls_set_log_level</a></div><div class="ttdeci">void coap_dtls_set_log_level(int level)</div><div class="ttdoc">Sets the (D)TLS logging level to the specified level.</div><div class="ttdef"><b>Definition</b> <a href="coap__notls_8c_source.html#l00076">coap_notls.c:76</a></div></div>
<div class="ttc" id="agroup__logging_html_gaa57b34084a2baf0b83e7ffea5653ea25"><div class="ttname"><a href="group__logging.html#gaa57b34084a2baf0b83e7ffea5653ea25">coap_dtls_get_log_level</a></div><div class="ttdeci">int coap_dtls_get_log_level(void)</div><div class="ttdoc">Get the current (D)TLS logging.</div><div class="ttdef"><b>Definition</b> <a href="coap__notls_8c_source.html#l00081">coap_notls.c:81</a></div></div>
<div class="ttc" id="agroup__logging_html_gaff2785484e756c8ec2fce408f9b81f0f"><div class="ttname"><a href="group__logging.html#gaff2785484e756c8ec2fce408f9b81f0f">coap_log</a></div><div class="ttdeci">#define coap_log(level,...)</div><div class="ttdoc">Logging function.</div><div class="ttdef"><b>Definition</b> <a href="coap__debug_8h_source.html#l00122">coap_debug.h:122</a></div></div>
<div class="ttc" id="agroup__logging_html_gga53c7b97a7af4d62d8c1678d658cc7446a8f6fe15bfe15104da6d1b360194a5400"><div class="ttname"><a href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446a8f6fe15bfe15104da6d1b360194a5400">LOG_WARNING</a></div><div class="ttdeci">@ LOG_WARNING</div><div class="ttdoc">Warning.</div><div class="ttdef"><b>Definition</b> <a href="coap__debug_8h_source.html#l00046">coap_debug.h:46</a></div></div>
<div class="ttc" id="agroup__logging_html_gga53c7b97a7af4d62d8c1678d658cc7446ab9f002c6ffbfd511da8090213227454e"><div class="ttname"><a href="group__logging.html#gga53c7b97a7af4d62d8c1678d658cc7446ab9f002c6ffbfd511da8090213227454e">LOG_DEBUG</a></div><div class="ttdeci">@ LOG_DEBUG</div><div class="ttdoc">Debug.</div><div class="ttdef"><b>Definition</b> <a href="coap__debug_8h_source.html#l00050">coap_debug.h:49</a></div></div>
<div class="ttc" id="amem_8h_html"><div class="ttname"><a href="mem_8h.html">mem.h</a></div></div>
<div class="ttc" id="amem_8h_html_a9f9fd8d6cf24f9c45a5501aeba5acaf9"><div class="ttname"><a href="mem_8h.html#a9f9fd8d6cf24f9c45a5501aeba5acaf9">coap_malloc_type</a></div><div class="ttdeci">void * coap_malloc_type(coap_memory_tag_t type, size_t size)</div><div class="ttdoc">Allocates a chunk of size bytes and returns a pointer to the newly allocated memory.</div></div>
<div class="ttc" id="amem_8h_html_ae7214e0c73a4d4290525873e739ed422"><div class="ttname"><a href="mem_8h.html#ae7214e0c73a4d4290525873e739ed422">coap_free_type</a></div><div class="ttdeci">void coap_free_type(coap_memory_tag_t type, void *p)</div><div class="ttdoc">Releases the memory that was allocated by coap_malloc_type().</div></div>
<div class="ttc" id="anet_8c_html_a32887948ee273d1ad464ec47df194910"><div class="ttname"><a href="net_8c.html#a32887948ee273d1ad464ec47df194910">coap_handle_dgram</a></div><div class="ttdeci">int coap_handle_dgram(coap_context_t *ctx, coap_session_t *session, uint8_t *msg, size_t msg_len)</div><div class="ttdoc">Parses and interprets a CoAP datagram with context ctx.</div><div class="ttdef"><b>Definition</b> <a href="net_8c_source.html#l01369">net.c:1369</a></div></div>
<div class="ttc" id="anet_8c_html_a5e2cee998ccf618ac07aa54f5e5f8743"><div class="ttname"><a href="net_8c.html#a5e2cee998ccf618ac07aa54f5e5f8743">coap_handle_event</a></div><div class="ttdeci">int coap_handle_event(coap_context_t *context, coap_event_t event, coap_session_t *session)</div><div class="ttdoc">Invokes the event handler of context for the given event and data.</div><div class="ttdef"><b>Definition</b> <a href="net_8c_source.html#l02310">net.c:2310</a></div></div>
<div class="ttc" id="anet_8h_html"><div class="ttname"><a href="net_8h.html">net.h</a></div></div>
<div class="ttc" id="astructcoap__address__t_html"><div class="ttname"><a href="structcoap__address__t.html">coap_address_t</a></div><div class="ttdoc">multi-purpose address abstraction</div><div class="ttdef"><b>Definition</b> <a href="address_8h_source.html#l00062">address.h:62</a></div></div>
<div class="ttc" id="astructcoap__address__t_html_a1734d28f40124b6f35b8cde9afbdf344"><div class="ttname"><a href="structcoap__address__t.html#a1734d28f40124b6f35b8cde9afbdf344">coap_address_t::size</a></div><div class="ttdeci">socklen_t size</div><div class="ttdoc">size of addr</div><div class="ttdef"><b>Definition</b> <a href="address_8h_source.html#l00063">address.h:63</a></div></div>
<div class="ttc" id="astructcoap__address__t_html_a4ff1cbb241d65e0b6f5e3b396a1e304e"><div class="ttname"><a href="structcoap__address__t.html#a4ff1cbb241d65e0b6f5e3b396a1e304e">coap_address_t::sin</a></div><div class="ttdeci">struct sockaddr_in sin</div><div class="ttdef"><b>Definition</b> <a href="address_8h_source.html#l00066">address.h:66</a></div></div>
<div class="ttc" id="astructcoap__address__t_html_a92d2fe98a38a8cdc5594692a031f488b"><div class="ttname"><a href="structcoap__address__t.html#a92d2fe98a38a8cdc5594692a031f488b">coap_address_t::sin6</a></div><div class="ttdeci">struct sockaddr_in6 sin6</div><div class="ttdef"><b>Definition</b> <a href="address_8h_source.html#l00067">address.h:67</a></div></div>
<div class="ttc" id="astructcoap__address__t_html_a93f132bc05d9fbbda9827fae32e81326"><div class="ttname"><a href="structcoap__address__t.html#a93f132bc05d9fbbda9827fae32e81326">coap_address_t::sa</a></div><div class="ttdeci">struct sockaddr sa</div><div class="ttdef"><b>Definition</b> <a href="address_8h_source.html#l00065">address.h:65</a></div></div>
<div class="ttc" id="astructcoap__address__t_html_accf59382315e4bd7178cbc6f32fcad27"><div class="ttname"><a href="structcoap__address__t.html#accf59382315e4bd7178cbc6f32fcad27">coap_address_t::addr</a></div><div class="ttdeci">union coap_address_t::@0 addr</div></div>
<div class="ttc" id="astructcoap__context__t_html"><div class="ttname"><a href="structcoap__context__t.html">coap_context_t</a></div><div class="ttdoc">The CoAP stack's global state is stored in a coap_context_t object.</div><div class="ttdef"><b>Definition</b> <a href="net_8h_source.html#l00148">net.h:148</a></div></div>
<div class="ttc" id="astructcoap__context__t_html_a71aa494865b061f72ec0ecd633aa4e7f"><div class="ttname"><a href="structcoap__context__t.html#a71aa494865b061f72ec0ecd633aa4e7f">coap_context_t::get_server_psk</a></div><div class="ttdeci">size_t(* get_server_psk)(const coap_session_t *session, const uint8_t *identity, size_t identity_len, uint8_t *psk, size_t max_psk_len)</div><div class="ttdef"><b>Definition</b> <a href="net_8h_source.html#l00204">net.h:204</a></div></div>
<div class="ttc" id="astructcoap__context__t_html_a85e2737b90beb8afce13a6ef2bea87f4"><div class="ttname"><a href="structcoap__context__t.html#a85e2737b90beb8afce13a6ef2bea87f4">coap_context_t::dtls_context</a></div><div class="ttdeci">void * dtls_context</div><div class="ttdef"><b>Definition</b> <a href="net_8h_source.html#l00207">net.h:207</a></div></div>
<div class="ttc" id="astructcoap__context__t_html_aca05833745124e6987489c8ecfebcb63"><div class="ttname"><a href="structcoap__context__t.html#aca05833745124e6987489c8ecfebcb63">coap_context_t::get_server_hint</a></div><div class="ttdeci">size_t(* get_server_hint)(const coap_session_t *session, uint8_t *hint, size_t max_hint_len)</div><div class="ttdef"><b>Definition</b> <a href="net_8h_source.html#l00205">net.h:205</a></div></div>
<div class="ttc" id="astructcoap__context__t_html_ae412c9932b9ced3c778d6029d21493c7"><div class="ttname"><a href="structcoap__context__t.html#ae412c9932b9ced3c778d6029d21493c7">coap_context_t::get_client_psk</a></div><div class="ttdeci">size_t(* get_client_psk)(const coap_session_t *session, const uint8_t *hint, size_t hint_len, uint8_t *identity, size_t *identity_len, size_t max_identity_len, uint8_t *psk, size_t max_psk_len)</div><div class="ttdef"><b>Definition</b> <a href="net_8h_source.html#l00203">net.h:203</a></div></div>
<div class="ttc" id="astructcoap__dtls__pki__t_html"><div class="ttname"><a href="structcoap__dtls__pki__t.html">coap_dtls_pki_t</a></div><div class="ttdoc">The structure used for defining the PKI setup data to be used.</div><div class="ttdef"><b>Definition</b> <a href="coap__dtls_8h_source.html#l00191">coap_dtls.h:191</a></div></div>
<div class="ttc" id="astructcoap__session__t_html"><div class="ttname"><a href="structcoap__session__t.html">coap_session_t</a></div><div class="ttdef"><b>Definition</b> <a href="coap__session_8h_source.html#l00056">coap_session.h:56</a></div></div>
<div class="ttc" id="astructcoap__session__t_html_a5e1b647f8b5ce42ea7a0d0893fb3504a"><div class="ttname"><a href="structcoap__session__t.html#a5e1b647f8b5ce42ea7a0d0893fb3504a">coap_session_t::remote_addr</a></div><div class="ttdeci">coap_address_t remote_addr</div><div class="ttdoc">remote address and port</div><div class="ttdef"><b>Definition</b> <a href="coap__session_8h_source.html#l00065">coap_session.h:65</a></div></div>
<div class="ttc" id="astructcoap__session__t_html_a8f8e37457b167cc8b95fadd7eeffd8d7"><div class="ttname"><a href="structcoap__session__t.html#a8f8e37457b167cc8b95fadd7eeffd8d7">coap_session_t::context</a></div><div class="ttdeci">struct coap_context_t * context</div><div class="ttdoc">session's context</div><div class="ttdef"><b>Definition</b> <a href="coap__session_8h_source.html#l00070">coap_session.h:70</a></div></div>
<div class="ttc" id="astructcoap__session__t_html_a9eb6890809e9aa01d225691bb4ae97db"><div class="ttname"><a href="structcoap__session__t.html#a9eb6890809e9aa01d225691bb4ae97db">coap_session_t::tls</a></div><div class="ttdeci">void * tls</div><div class="ttdoc">security parameters</div><div class="ttdef"><b>Definition</b> <a href="coap__session_8h_source.html#l00071">coap_session.h:71</a></div></div>
<div class="ttc" id="astructcoap__session__t_html_afcebad5cfefed99f0073ac037ba7d997"><div class="ttname"><a href="structcoap__session__t.html#afcebad5cfefed99f0073ac037ba7d997">coap_session_t::ifindex</a></div><div class="ttdeci">int ifindex</div><div class="ttdoc">interface index</div><div class="ttdef"><b>Definition</b> <a href="coap__session_8h_source.html#l00067">coap_session.h:67</a></div></div>
<div class="ttc" id="astructcoap__tls__version__t_html"><div class="ttname"><a href="structcoap__tls__version__t.html">coap_tls_version_t</a></div><div class="ttdoc">The structure used for returning the underlying (D)TLS library information.</div><div class="ttdef"><b>Definition</b> <a href="coap__dtls_8h_source.html#l00047">coap_dtls.h:47</a></div></div>
<div class="ttc" id="astructcoap__tls__version__t_html_a0a7319dc6fd261d2ce899ac3da26d4c1"><div class="ttname"><a href="structcoap__tls__version__t.html#a0a7319dc6fd261d2ce899ac3da26d4c1">coap_tls_version_t::built_version</a></div><div class="ttdeci">uint64_t built_version</div><div class="ttdoc">(D)TLS Built against Library Version</div><div class="ttdef"><b>Definition</b> <a href="coap__dtls_8h_source.html#l00050">coap_dtls.h:50</a></div></div>
<div class="ttc" id="astructcoap__tls__version__t_html_acd0dcf58914dd79d6110bb4d6a910c58"><div class="ttname"><a href="structcoap__tls__version__t.html#acd0dcf58914dd79d6110bb4d6a910c58">coap_tls_version_t::version</a></div><div class="ttdeci">uint64_t version</div><div class="ttdoc">(D)TLS runtime Library Version</div><div class="ttdef"><b>Definition</b> <a href="coap__dtls_8h_source.html#l00048">coap_dtls.h:48</a></div></div>
<div class="ttc" id="astructcoap__tls__version__t_html_aec97830d2623e4354e12e00467d3dcc2"><div class="ttname"><a href="structcoap__tls__version__t.html#aec97830d2623e4354e12e00467d3dcc2">coap_tls_version_t::type</a></div><div class="ttdeci">int type</div><div class="ttdoc">Library type.</div><div class="ttdef"><b>Definition</b> <a href="coap__dtls_8h_source.html#l00049">coap_dtls.h:49</a></div></div>
<div class="ttc" id="authash_8h_html_aba7bc1797add20fe3efdf37ced1182c5"><div class="ttname"><a href="uthash_8h.html#aba7bc1797add20fe3efdf37ced1182c5">uint8_t</a></div><div class="ttdeci">unsigned char uint8_t</div><div class="ttdef"><b>Definition</b> <a href="uthash_8h_source.html#l00079">uthash.h:79</a></div></div>
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